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258P/PANSTARRS
Classification: Jupiter-family Comet          SPK-ID: 1003186
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456446.5 (2013-Jun-03.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2101546347949499 1.6541e-06  
a 4.403481920159264 4.6429e-07 au
q 3.478069785402029 7.5688e-06 au
i 6.745154014762309 3.9858e-05 deg
node 126.3067565250316 0.00037936 deg
peri 25.79541093834268 0.0012967 deg
M 86.07767096655573 0.00082995 deg
tp 2455639.486573868072
(2011-Mar-18.98657387)		 0.0076968 TDB
period 3375.14747024665
9.24		 0.0005338
1.461e-06		 d
yr
n .1066620060822681 1.6869e-08 deg/d
Q 5.328894054916498 5.6186e-07 au
   Orbit Determination Parameters
   # obs. used (total)      50  
   data-arc span      6537 days (17.90 yr)  
   first obs. used      2002-03-11  
   last obs. used      2020-02-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      1  
   norm. resid. RMS      .4556  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:28:07  

Additional Information
 Earth MOID = 2.49081 au 
 Jupiter MOID = .087246 au 
 T_jup = 2.968 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 16.5   0.6 8 2 parameter fit from 37 observations, autocmod 2.9c
comet total magnitude slope K1 4.5   n/a 8 autocmod 2.9c

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year (est.)		  New-Style 
Desig		 Roman
 Numeral 		 Year/
 Letter 
 2011.2   258P/2012 H1       
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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